familiarity
noun [ U ] uk/fəˌmɪl.iˈær.ə.ti/ us/fəˌmɪl.iˈer.ə.t̬i/
(KNOWLEDGE)
通晓;熟知，熟悉
a good knowledge of something, or the fact that you know it so well
Ellen's familiarity with pop music is astonishing. 埃伦对流行音乐之精通令人吃惊。
I love the familiarity of my old chair. 我喜欢我的旧椅子给我的那种熟悉的感觉。
(FRIENDLINESS)
友好随便;亲近
friendly and informal behaviour
His excessive familiarity offended her. 他过分亲昵的举动冒犯了她。
Idiom
familiarity breeds contemptidiom saying 亲不敬，熟生蔑。
used to say that if you know someone very well you stop respecting them because you have seen all of their bad qualities